KeyKey Typing Tutor for my experience is the best and smartest typing tutor available on the Mac today. It's a new comer on the market but, having tested many of them, I could not recommend it enough. The engine adapts immediately to my strengths and weakness and the live statistics are incredibly clear and motivate me a lot.
Use HelloApp Studio to create tour guides that can be implemented into your native app with only a few lines of code. You can use these guides to onboard new users, explain the new feature, or showcase the full power of your product.